Koalas are the longest sleeping mammals (about 22 hours/day) and Giraffes sleeps the least of all mammals (about 1 - 2 hours/day) Kangaroos cannot walk backwards Olympus Mons, a volcano on planet Mars, the tallest mountain in our solar system Most babies are born with 350 bones and as they grow, some of the bones fuse together to become 206 bones India is world's richest country until British colonized it in the 17th century The first novel written with the help of a typewriter was 'The Adventures of Tom Sawyer' 'uncopyrightable' is the longest common word without any letter repeating Pule, a cheese made from the milk of Balkan donkeys from Serbia, is the most expensive cheese in the world An adult mouse has 225 bones, adult humans have only 206 bones Captain Cook was the first person to set foot on all six habitable continents of the Earth African lungfish can survive on land (without water) for months Russia is the largest country in the world, covering more than one-eighth of the Earth's inhabited land area The human brain accounts for about 2% of body weight, but it uses about 20% of the oxygen in our blood and 25% of the glucose (sugars) circulating in our bloodstream At 3,810 meters (12,500 feet) above mean sea level, Lake Titicaca is the world's highest navigable lake. Mercury is the only metal to exist in liquid form at room temperature Though Nile river is the longest river in the world, Amazon river is the biggest river by water volume Our Sun is the biggest object in our Solar System and makes up 99% of its mass. Potato is the most cultivated vegetable in the world today Angel Falls in Venezuela is the world's highest waterfall with a height of 979 m (3,212 ft) and a plunge of 807 m (2,648 ft) A Great Basin bristlecone pine tree in White Mountains, California is Oldest known currently living tree. Its age was determined to be 5062 years. Butterflies taste with their feet The fastest projectile speed in any moving ball game is 302km/h (188mph) in Jai-Alai (Pelota). Badminton is the fastest racquet sport in the world with shuttles reaching speeds of up to 332 km/h (206 mph) Maize is the most cultivated cereal in the world The fastest moving land snake is the Black Mamba, which can move up to 7 miles per ho The first sport to have a world championship was billiards in 1873 Basenjis are the only breed of dogs that cannot bark (they have flat larynxes) Scallops have up to 100 eyes arranged around the edges of their mantles like a string of beads Ostrich is the fastest animal on two legs Australia is the smallest of the world's continents. It is also the lowest, the flattest and (apart from Antarctica) the driest. The first product to have a barcode was Wrigley's chewing gum The Atacama Desert is the driest desert in the world www.symbolics.com is the first ever internet domain name registered The first person to reach the summit of Mt Everest twice was the Nepali Sherpa Nawang Gombu The last Olympic gold medal that was made completely out of gold was awarded during the 1912 Olympics. A lightning strike is almost 5 times hotter than the surface of the sun! A bolt of lightning can reach temperatures of 53,540 degrees Fahrenheit Cows and horses can sleep with their eyes open and standing up Sir Nils Olav, a penguin at Edinburgh Zoo, was knighted by the King Harald V of Norway in 2008. He was made a corporal in 1982, a sergeant in 1987 and a brigadier in 2016 Built in 1885, Home Insurance Building in Chicago, Illinois was the first skyscraper in the world. Wall Drug Store in Wall, South Dakota is the largest drug store in the world. Armenia is the first country in the world to adopt Christianity as its official religion Adolf Hitler was in Braunau am Inn in present-day Austria Baku, located 92 ft below sea level, is the lowest lying national capital in the world and also the largest city in the world located below sea level. The Bengal delta of Bangladesh is the largest delta in the world The name Belarus means "White Russia". Lake Titicaca, on the border of Peru and Bolivia, is the highest commercially navigable lake in the world Botswana has the highest African elephant population in the world Botswana Facts Brazil is the world's largest producer, exporter and consumer of coffee. 99.9% of all the species that have lived on Earth are now extinct. Kiwis lay the largest eggs relative to their body size (their eggs weigh about one-fifth of their body weight)